body {
            font-family: Arial, sans-serif;
            background-color: #ffffff;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        .container {
            background-color: #f8f8f8;
            padding: 25px;
            border: 2px solid #213d1c;
            border-radius: 9px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            max-width: 500px;
            width: 100%;
            text-align: left;
            position: relative;
        }

        legend {
            color: #213d1c;
            font-size: 18px;
            font-weight: bold;
        }

        input[type="text"] {
            width: calc(100% - 22px);
            padding: 10px;
            margin-top: 10px;
            border: 1px solid #213d1c;
            border-radius: 4px;
            box-sizing: border-box;
            font-size: 16px;
        }

        input[type="submit"] {
            background-color: #213d1c;
            color: #ffffff;
            padding: 12px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            width: 100%;
            margin-top: 15px;
        }

        input[type="submit"]:hover {
            background-color: #395929;
        }

        p {
            text-align: center;
        }

        .important {
            color: red;
        }

        .header-img {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
        }

        .header-img img {
            width: 100%;
            max-width: 1001px;
            height: auto;
        }

        .title {
            text-align: center;
            font-size: 20px;
            font-weight: bold;
        }
    </style>